BH-90E portable gas detector is a new type of detector for detecting gas leakage from the gas pipelines, gas valve, and other possible places. With imported high quality semi-conductor sensor and embedded microcontroller, it has very high sensitivity, excellent man-machine operation interface and various adaptive ability.The housing of the detector is made of high strength engineering plastics and compound anti-slip rubber. It is waterproof, dustproof, and with good handle.